forecast: Restrict strncpy() call

Closes strongswan/strongswan#331.
2021-05-04 14:48:53 +02:00
parent 2b89676157
commit e9a55abce4
1 changed files with 2 additions and 1 deletions
@@ -361,7 +361,8 @@ static int get_ifindex(private_kernel_listener_t *this, char *ifname)
 {
 	struct ifreq ifr = {};

-	strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+	strncpy(ifr.ifr_name, ifname, IFNAMSIZ-1);
+
 	if (ioctl(this->raw, SIOCGIFINDEX, &ifr) == 0)
 	{
 		return ifr.ifr_ifindex;